#微博考试季##为考研加油# 考研英语二阅读真题词汇及例句#大迪考研英语[超话]#

经典例句：【2018 英语二 阅读Text 1】原句：The system can detect the presence of harmful chemicals in the water, ensuring the safety of drinking water for local residents. http://t.cn/AXfAoeZv http://t.cn/R34ZtK1